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HVAC/R Evacuation Quiz August 13, 2022, 4:56 pm
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Control Voltage Overamp - The Less Usual Cause
In many cases when a low-voltage or control circuit blows a fuse, it's because one of the circuits is shorted to ground or common. That may happen because of rubbed-out wires, shorted components or boards, etc. Routing wires sensibly and using proper grommets to avoid rubouts and shorts will help prevent those problems. Less commonly, […]Read more
The Learning Mindset - Trial & Error
I'm far from a country boy, but I did grow up in a rural area with animals, playing in the woods, and cleaning out chicken coops. Like many of you, we would play most of the day outside without our parents knowing or worrying about where we were. Was that an “unsafe” way to grow […]Read more
What the Heck is a Friction Rate?
Friction rate is a value located on a ductulator. We use it during the design phase of a duct system to predict the operating static pressure of a duct system. The challenge with friction rate is that it is often misapplied by folks using a rule of thumb (ROT). In order to apply friction rate properly, […]Read more